1
JEE Main 2022 (Online) 28th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List - I with List - II.

List - I
Reaction
List - II
Catalyst
(A) $$4N{H_3}(g) + 5{O_2}(g) \to 4NO(g) + 6{H_2}O(g)$$ (I) $$NO(g)$$
(B) $${N_2}(g) + 3{H_2}(g) \to 2N{H_3}(g)$$ (II) $${H_2}S{O_4}(l)$$
(C) $${C_{12}}{H_{22}}{O_{11}}(aq) + {H_2}O(l) \to \mathop {{C_6}{H_{12}}{O_6}}\limits_{Glu\cos e} + \mathop {{C_6}{H_{12}}{O_6}}\limits_{Fructose} $$ (III) $$Pt(s)$$
(D) $$2S{O_2}(g) + {O_2}(g) \to 2S{O_3}(g)$$ (IV) $$Fe(s)$$

Choose the correct answer from the options given below :

A
$$(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{III}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{IV})$$
B
$$(\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{II}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{IV})$$
C
$$(\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{II}),(\mathrm{D})-(\mathrm{I})$$
D
(A) - (III), (B) - (II), (C) - (IV), (D) - (I)
2
JEE Main 2022 (Online) 28th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

For the below given cyclic hemiacetal (X), the correct pyranose structure is :

JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 15 English

A
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 15 English Option 1
B
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 15 English Option 2
C
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 15 English Option 3
D
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 15 English Option 4
3
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List - I with Match List - II.

List - I List - II
(A) Glucose + HI (I) Gluconic acid
(B) Glucose + Br$$_2$$ water (II) Glucose pentacetate
(C) Glucose + acetic anhydride (III) Saccharic acid
(D) Glucose + HNO$$_3$$ (IV) Hexane

Choose the correct answer from the options given below:

A
(A) - (IV), (B) - (I), (C) -(II), (D) - (III)
B
(A) - (IV), (B) - (III), (C) -(II), (D) - (I)
C
(A) - (III), (B) - (I), (C) -(IV), (D) - (II)
D
(A) - (I), (B) - (III), (C) -(IV), (D) - (II)
4
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A sugar 'X' dehydrates very slowly under acidic condition to give furfural which on further reaction with resorcinol gives the coloured product after sometime. Sugar 'X' is

A
Aldopentose
B
Aldotetrose
C
Oxalic acid
D
Ketotetrose
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